#!/usr/bin/python

import sys
import xml.etree.ElementTree as ET

arguments = sys.argv[1:]
if len(arguments) == 0:
    print 'A utility script for converting TV files from Trick 13 to Trick 15.'
    print 'usage: convert_tv_file <files>'
else:
    types = (
        ('Boolean',     'boolean'),
        ('Byte',        'byte'),
        ('Double',      'double'),
        ('Enumeration', 'string'),
        ('Float',       'float'),
        ('Integer',     'int'),
        ('Long',        'long'),
        ('Short',       'short'),
        ('String',      'string')
    )

    for file in arguments:
        print 'Converting ' + file
        tree = ET.parse(file)
        root = tree.getroot()

        for variable in root.findall('variable'):
            for type in types:
                value = variable.find('tv' + type[0])
                if value is not None:
                    value = value.find('value')
                    value.set('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance')
                    value.set('xmlns:xs', 'http://www.w3.org/2001/XMLSchema')
                    value.set('xsi:type', 'xs:' + type[1])
                    break

        if file.endswith('.tv'):
            file = file[:-3]
        newFile = file + '_15.tv'
        tree.write(newFile)
        print 'Converted to ' + newFile
